HP 664691-001 8GB Memory PC3-12800
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664691-001 HP 8GB 1600MHz PC3-12800 DDR3 SDRAM ECC Bulk

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Part Number#: 664691-001
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Short Description:
664691-001 8GB (1x8gb) 1600mhz PC3-12800 Cl11 Single Rank Ecc Registered DDR3 SDRAM DIMM Memory Dl360p Ml350p Bl460c Bl660c Gen8 for Server | Made by HP | New Bulk Pack
Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

Introduction to 8GB Registered DDR3 SDRAM DIMM Memory

The 664691-001 is an 8GB DDR3 SDRAM DIMM memory module that is designed and manufactured by Hewlett-Packard (HP) for use in their Gen8 servers such as the Dl360p, Ml350p, Bl460c, and Bl660c. This memory module is designed to provide reliable and high-performance memory for server applications that require high-speed data processing and storage. The 664691-001 is a registered memory module, which means it is equipped with an internal register that helps to improve the stability and reliability of the memory module.

In this article, we will take a closer look at the key features of the 664691-001 memory module, including its speed, capacity, and compatibility with various server models. We will also discuss the benefits of using registered memory modules in server applications and provide some tips on how to install and maintain the 664691-001 memory module.

Features and Specifications

The 664691-001 memory module has a capacity of 8GB, which is a significant amount of memory for server applications. This memory module is also designed to operate at a clock speed of 1600MHz, which means it can process and store data at a high rate. The memory module has a CAS latency of 11, which refers to the amount of time it takes for the module to access a column of data. A lower CAS latency means faster access times, which is important in server applications where data needs to be processed quickly.

The 664691-001 memory module is a single-rank memory module, which means that it has one set of memory chips that are accessed by the memory controller. This design allows for faster access times compared to dual-rank memory modules, which have two sets of memory chips. The memory module is also equipped with error-correcting code (ECC) technology, which helps to detect and correct errors in the data stored in the memory. This feature is important in server applications where data accuracy and reliability are critical.


The 664691-001 memory module is designed and manufactured by HP specifically for use in their Gen8 servers. This memory module is compatible with various server models, including the Dl360p, Ml350p, Bl460c, and Bl660c. These server models are designed for a range of applications, including web hosting, virtualization, and database management.

It is important to note that the 664691-001 memory module is a registered memory module and may not be compatible with all server models. Registered memory modules are not compatible with some older server models that are designed to use unbuffered memory modules. It is always important to check the compatibility of a memory module with the server model before making a purchase.

Benefits of Registered Memory Modules

Registered memory modules, such as the 664691-001, offer several benefits over unbuffered memory modules. One of the main benefits of registered memory modules is their increased stability and reliability. The internal register in registered memory modules helps to reduce the electrical load on the memory controller, which in turn reduces the chance of memory errors and system crashes.

Registered memory modules also allow for larger memory configurations compared to unbuffered memory modules. This is because the internal register in registered memory modules helps to reduce the electrical load on the memory controller, which allows for more memory modules to be installed on a single memory channel. This is important in server applications where large amounts of memory are required to support complex applications

Main Specification about the HP 664691-001

  • Manufacturer: HP
  • Part Number or SKU# 664691-001
  • Product Name: 8GB DDR3 SDRAM Memory Module
  • Device Type: Memory (RAM)
  • RAM Type: PC3-12800

Technical Information

  • Storage Capacity: 8GB
  • Memory Technology: DDR3 SDRAM
  • Chips Organization: X4
  • Number Of Modules: 1 X 8GB
  • Bus Speed: 1600mhz DDR3-1600/PC3-12800
  • Ram Features: Single Rank
  • Data Integrity Check: Ecc
  • Signal Processing: Registered
  • Cas Latency Timings: Cl11
  • Supply Voltage: 1.5 V
  • Type: Dram
  • Upgrade Type: System Specific
  • Platform Support: HP Proliant Server
  • Form Factor: 240-Pin Dimm

Physical Characteristics

  • Dimensions (W X D X H) : 8.89 X 19.81 X 1.91 Cm (3.5 X 7.8 X 0.75 In)
  • Weight: 0.45 Kg (1 Lb)


  • HPE Proliant Bl420c Gen8, Bl460c Gen8, Bl660c Gen8, Dl160 Gen8, Dl360e Gen8, Dl360p Gen8, Dl380e Gen8, Dl380p Gen8, Ml350e Gen8, Ml350p Gen8, Sl230s Gen8, Sl250s Gen8, Sl270s Gen8, Ws460c Gen8

Contact us or ask for live chat/help if you have any questions about the compatibility of this item to ensure the model's matching features with your current system.

Product Condition:
New Bulk Pack
Warranty provided by ALLHDD.COM:
90 Days

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